Home / 389,591.12-583,943.70-164,811.26

Finding the Fourth Proportional to 389,591.12, 583,943.70 and 164,811.26

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Solution

The fourth proportional to 389,591.12, 583,943.70 and 164,811.26 is: 247,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,591.12 : 583,943.70 = 164,811.26 : x
  2. Step 2: Convert to fraction form
    389,591.12/583,943.70 = 164,811.26/x
  3. Step 3: Cross multiply
    389,591.12x = 583,943.70 × 164,811.26
  4. Step 4: Simplify right side
    389,591.12x = 96,240,496,966.06
  5. Step 5: Solve for x
    x = 96,240,496,966.06/389,591.12
  6. Step 6: Final answer
    x = 247,029.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.